42134444102 has 4 divisors (see below), whose sum is σ = 63201666156. Its totient is φ = 21067222050.

The previous prime is 42134444089. The next prime is 42134444113. The reversal of 42134444102 is 20144443124.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42134444102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10533611024 + ... + 10533611027.

It is an arithmetic number, because the mean of its divisors is an integer number (15800416539).

Almost surely, 2^42134444102 is an apocalyptic number.

42134444102 is a deficient number, since it is larger than the sum of its proper divisors (21067222054).

42134444102 is a wasteful number, since it uses less digits than its factorization.

42134444102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21067222053.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42134444102 its reverse (20144443124), we get a palindrome (62278887226).

The spelling of 42134444102 in words is "forty-two billion, one hundred thirty-four million, four hundred forty-four thousand, one hundred two".